Carrots
Onion
Celery
Salt
Pepper
Red wine
Beef broth
Rosemary sprig
Thyme sprig
Butter
Oil
Saute the mirepoix (carrots, onion, celery) until soft. Deglaze with the wine. Add the beef broth, rosemary & thyme and reduce to a simmer. Reduce by half. Strain through a sieve into a warm pan and swirl in a pat of butter.